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JPL Small-Body Database Browser
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442459 (2011 UU255)
Classification: Main-belt Asteroid          SPK-ID: 2442459
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

[ show orbit diagram ]
Orbital Elements at Epoch 2458600.5 (2019-Apr-27.0) TDB
Reference: JPL 10 (heliocentric ecliptic J2000)
 Element Value Uncertainty (1-sigma)   Units 
e .1916905447094474 8.065e-08  
a 2.628343371979706 5.831e-08 au
q 2.12451479932145 2.3006e-07 au
i 12.75927526360883 1.3145e-05 deg
node 119.8378040179689 3.2296e-05 deg
peri 283.179334675067 5.2504e-05 deg
M 259.7418023974492 4.5657e-05 deg
tp 2459033.949964205533
(2020-Jul-03.44996421)
0.00020697 TDB
period 1556.401280347992
4.26
5.1794e-05
1.418e-07
d
yr
n .2313028166614643 7.6972e-09 deg/d
Q 3.132171944637962 6.9488e-08 au
  Orbit Determination Parameters
   # obs. used (total)      99  
   data-arc span      4279 days (11.72 yr)  
   first obs. used      2007-11-07  
   last obs. used      2019-07-26  
   planetary ephem.      DE431  
   SB-pert. ephem.      SB431-N16  
   condition code      0  
   norm. resid. RMS      .62669  
   source      ORB  
   producer      Otto Matic  
   solution date      2019-Sep-24 07:43:14  

Additional Information
 Earth MOID = 1.17575 au 
 Jupiter MOID = 2.3608 au 
 T_jup = 3.340 
[ show covariance matrix ]

Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]

Physical Parameter Table
Parameter Symbol Value Units Sigma Reference Notes
absolute magnitude H 16.7   n/a MPO450446  

442459 (2011 UU255)          Discovered 2007-Nov-07 by CSS at Catalina
Reference: Last Updated: 2015-09-02
Ephemeris | Orbit Diagram | Orbital Elements | Mission Design | Physical Parameters | Discovery Circumstances ]
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